Create a series of shadow boxes to form a complete silhouette of a dinosaur with this challenge. To complete this challenge, students will use everyday materials and this site to document their process.

Using common household items, students are challenged to build a dinosaur at least 6" tall that can balance on two legs using counterbalances. This website contains the challenge, tips, a lesson plan, and a place for students to document...

Spot the Dinosaur needs your help to group his friends. Can you help him?

Students estimate and count to make equal groups using snacks and other food.